[m3g4tr0n]

what app/tool can i use to rename my files like these. would like to just insert the episode title after the episode number and leave everything as is.

from
Prison.Break.S01E04.HDTV.XviD-XOR.avi
to
Prison.Break.S01E04.Cute.Poison.HDTV.XviD-XOR.avi

or

from
Lost.S06E13.720p.BluRay.DD5.1.x264-ME.mkv
to
Lost.S06E13.The.Last.Recruit.720p.BluRay.DD5.1.x264-ME.mkv